content: /* ---------------------------
   * SelectionDemo5Category.java
   * ---------------------------
   * (C) Copyright 2013, by Object Refinery Limited.
   *
   */
  
  package org.jfree.chart.demo.selection;
  
  /**
   * based on BarChartDemo1 
   */
  import java.awt.BorderLayout;
  import java.awt.Color;
  import java.awt.Dimension;
  import java.awt.GradientPaint;
  
  import javax.swing.BorderFactory;
  import javax.swing.JPanel;
  import javax.swing.JScrollPane;
  import javax.swing.JSplitPane;
  import javax.swing.JTable;
  import javax.swing.border.EmptyBorder;
  import javax.swing.border.TitledBorder;
  import javax.swing.table.DefaultTableModel;
  import javax.swing.table.TableColumnModel;
  
  import org.jfree.chart.ChartFactory;
  import org.jfree.chart.ChartPanel;
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.axis.CategoryAxis;
  import org.jfree.chart.axis.CategoryLabelPositions;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.labels.StandardCategorySeriesLabelGenerator;
  import org.jfree.chart.panel.selectionhandler.EntitySelectionManager;
  import org.jfree.chart.panel.selectionhandler.MouseClickSelectionHandler;
  import org.jfree.chart.panel.selectionhandler.RectangularRegionSelectionHandler;
  import org.jfree.chart.panel.selectionhandler.RegionSelectionHandler;
  import org.jfree.chart.plot.CategoryPlot;
  import org.jfree.chart.renderer.category.BarRenderer;
  import org.jfree.chart.renderer.item.IRSUtilities;
  import org.jfree.chart.ui.ApplicationFrame;
  import org.jfree.chart.ui.RefineryUtilities;
  import org.jfree.data.category.CategoryDataset;
  import org.jfree.data.category.DefaultCategoryDataset;
  import org.jfree.data.extension.DatasetIterator;
  import org.jfree.data.extension.DatasetSelectionExtension;
  import org.jfree.data.extension.impl.CategoryCursor;
  import org.jfree.data.extension.impl.CategoryDatasetSelectionExtension;
  import org.jfree.data.extension.impl.DatasetExtensionManager;
  import org.jfree.data.general.Dataset;
  import org.jfree.data.general.SelectionChangeEvent;
  import org.jfree.data.general.SelectionChangeListener;
  
  public class SelectionDemo5Category extends ApplicationFrame 
          implements SelectionChangeListener<CategoryCursor<String, String>> {
  
      private JTable table;
  
      private DefaultTableModel model;
  
      private CategoryDataset dataset;
        
      public SelectionDemo5Category(String title) {
          super(title);
          JPanel chartPanel = createDemoPanel();
          chartPanel.setPreferredSize(new Dimension(500, 270));
               
          JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
          split.add(chartPanel);
                 
          this.model = new DefaultTableModel(new String[] { "row:", "column:",
                  "value:"}, 0);
          this.table = new JTable(this.model);
          TableColumnModel tcm = this.table.getColumnModel();
          JPanel p = new JPanel(new BorderLayout());
          JScrollPane scroller = new JScrollPane(this.table);
          p.add(scroller);
          p.setBorder(BorderFactory.createCompoundBorder(new TitledBorder(
                  "Selected Items: "), new EmptyBorder(4, 4, 4, 4)));
          split.add(p);
          setContentPane(split);
      }
  
      /**
       * Returns a sample dataset.
       *
       * @return The dataset.
       */
      private static CategoryDataset createDataset() {
  
          // row keys...
          String series1 = "First";
          String series2 = "Second";
          String series3 = "Third";
  
          // column keys...
          String category1 = "Category 1";
          String category2 = "Category 2";
          String category3 = "Category 3";
          String category4 = "Category 4";
          String category5 = "Category 5";
  
          // create the dataset...
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
  
          dataset.addValue(1.0, series1, category1);
          dataset.addValue(4.0, series1, category2);
          dataset.addValue(3.0, series1, category3);
          dataset.addValue(5.0, series1, category4);
          dataset.addValue(5.0, series1, category5);
  
          dataset.addValue(5.0, series2, category1);
          dataset.addValue(7.0, series2, category2);
          dataset.addValue(6.0, series2, category3);
          dataset.addValue(8.0, series2, category4);
          dataset.addValue(4.0, series2, category5);
  
          dataset.addValue(4.0, series3, category1);
          dataset.addValue(3.0, series3, category2);
          dataset.addValue(2.0, series3, category3);
          dataset.addValue(3.0, series3, category4);
          dataset.addValue(6.0, series3, category5);
  
          return dataset;
      }
           
      private static JFreeChart createChart(CategoryDataset dataset, DatasetSelectionExtension<CategoryCursor<String, String>> ext) {
  
          // create the chart...
          JFreeChart chart = ChartFactory.createBarChart("Bar Chart Demo 1", 
                   "Category", "Value", dataset);
  
          CategoryPlot plot = (CategoryPlot) chart.getPlot();
          plot.setDomainGridlinesVisible(true);
          plot.setRangeCrosshairVisible(true);
          plot.setRangeCrosshairPaint(Color.blue);
  
          // set the range axis to display integers only...
          NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
          rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
  
          // disable bar outlines...
          BarRenderer renderer = (BarRenderer) plot.getRenderer();
          renderer.setDrawBarOutline(false);
  
          // set up gradient paints for series...
          GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.BLUE,
                  0.0f, 0.0f, new Color(0, 0, 64));
          GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.GREEN,
                  0.0f, 0.0f, new Color(0, 64, 0));
          GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.RED,
                  0.0f, 0.0f, new Color(64, 0, 0));
          renderer.setSeriesPaint(0, gp0);
          renderer.setSeriesPaint(1, gp1);
          renderer.setSeriesPaint(2, gp2);
  
          renderer.setLegendItemToolTipGenerator(
                  new StandardCategorySeriesLabelGenerator("Tooltip: {0}"));
  
          CategoryAxis domainAxis = plot.getDomainAxis();
          domainAxis.setCategoryLabelPositions(
                  CategoryLabelPositions.createUpRotationLabelPositions(
                               Math.PI / 6.0));
   
          //add selection specific rendering
          IRSUtilities.setSelectedItemPaint(renderer, ext, Color.WHITE);
                 
          //register plot as selection change listener
          ext.addChangeListener(plot);
               
          return chart;
      }
  
      public final JPanel createDemoPanel() {
          this.dataset = createDataset();
          //extend dataset and add selection change listener for the demo
          DatasetSelectionExtension<CategoryCursor<String, String>> 
                  datasetExtension = new CategoryDatasetSelectionExtension<String, String>(this.dataset);     
          datasetExtension.addChangeListener(this);
                 
          //standard setup
          JFreeChart chart = createChart(this.dataset, datasetExtension);
          ChartPanel panel = new ChartPanel(chart);
          panel.setMouseWheelEnabled(true);
  
          // add a selection handler
          RegionSelectionHandler selectionHandler 
                  = new RectangularRegionSelectionHandler();
          panel.addMouseHandler(selectionHandler);
          panel.addMouseHandler(new MouseClickSelectionHandler());
          panel.removeMouseHandler(panel.getZoomHandler());
                 
          // add a selection manager
          DatasetExtensionManager dExManager = new DatasetExtensionManager();
          dExManager.registerDatasetExtension(datasetExtension);
          panel.setSelectionManager(new EntitySelectionManager(panel,     new Dataset[] { this.dataset }, dExManager));
                 
          return panel;
      }
  
      public void selectionChanged(SelectionChangeEvent<CategoryCursor<String, 
              String>> event) {
          while (this.model.getRowCount() > 0) {
              this.model.removeRow(0);
          }
  
          CategoryDatasetSelectionExtension<String, String> ext 
                  = (CategoryDatasetSelectionExtension<String, String>) 
                  event.getSelectionExtension(); 
          DatasetIterator<CategoryCursor<String, String>> iter 
                  = ext.getSelectionIterator(true);
                
          while (iter.hasNext()) {
              CategoryCursor<String, String> dc = iter.next();
              this.model.addRow(new Object[] { dc.rowKey, dc.columnKey, 
                  dataset.getValue(dc.rowKey, dc.columnKey)});
          }
      }
  
      public static void main(String[] args) {
          SelectionDemo5Category demo = new SelectionDemo5Category(
                  "JFreeChart: SelectionDemo5.java");
          demo.pack();
          RefineryUtilities.centerFrameOnScreen(demo);
          demo.setVisible(true);
      }
  
  }
  
  